/*******************************************************************************
 * Copyright (c) 2004, 2007 Actuate Corporation.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * https://www.eclipse.org/legal/epl-2.0/.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.engine.script.internal;

final class ScriptTextUtil {

	/**
	 * Whether the script string is null or comments
	 *
	 */
	static boolean isNullOrComments(String script) {
		if (script == null) {
			return true;
		}
		try {
			String scriptWithoutComments = script.replaceAll("(?:/\\*(?:[^*]|(?:\\*+[^*/]))*\\*+/)|(?://.*)", "");
			if (scriptWithoutComments.trim().length() == 0) {
				return true;
			} else {
				return false;
			}
		} catch (Throwable e) {
			return false;
		}
	}
}
